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Enkadrain® 3811R

Replaces Enkadrain 9811 and 9812 Description

Enkadrain 3811R is one of a new generation of environmentally conscious Enkadrain products. This drainage composite consists of a post-industrial recycled polypropylene drainage core of fused, entangled filaments and a geocomposite fabric bonded to each side. The entangled filaments are molded into a square waffle pattern that maintains the flexible design of other Enkadrain products. This product, because it exceeds 40% post-industrial recycled content, can help contribute up to 2 LEED points when used in conjunction with other recycled content products. Enkadrain 3811R can contribute towards additional LEED points when used with a green roof by reducing stormwater runoff, heat islands, and energy consumption.

Recommended Applications

· · · · · · · · · · · · · ·

Foundation walls Green roofs Plaza decks Retaining walls

· · · ·

Beneath slabs Earth sheltered homes Underground parking Exterior planters

Features and Benefits

Excellent durability Protects waterproofing during and after backfill Second fabric eliminates need for protection board Conforms to irregular surfaces and corners Waffle design creates open flow path -- even during backfill Continuous flow even under high loads Long rolls reduce installation costs by reducing butt seams and eliminating interlocking Recycled content polymer contributes towards LEED points Increased flow rates over same thickness nylon and HDPE drains 3" fabric overlap flap on both sides

Technical Data

Physical Properties

Property

Core Material Thickness Total Weight Core Weight

Colbond Compressive Load Test1

1

English Units

0.45 in 23.7 oz/yd 2 16.0 oz/yd

2

Metric Units

11.43 mm 803.7 g/m 2 542.6 g/m 2 kN/m2 No failure*

Recycled Polypropylene

>30,000 psf

Colbond Test Method: ASTM 1621 modified and ASTM D4716 *Failure defined as reaching yield point or no continued measurable flow under stated load

Flow Rates

Pressure

250 psf 500 psf 1000 psf 2000 psf 3000 psf 3600 psf 5000 psf 8000 psf

1.0 Gradient

20.2 gal/min/ft 18.1 gal/min/ft 17.9 gal/min/ft 16.8 gal/min/ft 12.9 gal/min/ft 8.6 gal/min/ft 3.8 gal/min/ft 1.7 gal/min/ft

0.5 Gradient

13.6 gal/min/ft 12.4 gal/min/ft 12.2 gal/min/ft 11.2 gal/min/ft 7.9 gal/min/ft 4.7 gal/min/ft 2.5 gal/min/ft 1.0 gal/min/ft

0.2 Gradient

7.7 gal/min/ft 7.3 gal/min/ft 7.2 gal/min/ft 7.0 gal/min/ft 4.9 gal/min/ft 2.8 gal/min/ft 1.3 gal/min/ft 0.5 gal/min/ft

Typical flow vs. pressure for vertical applications (ASTM D 4716) Sample Configuration: Plate/Enkadrain/Plate Values are average of machine direction and cross machine direction test results

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8/10/05 BP-5011-DS

Enkadrain® 3811R

Replaces Enkadrain 9811 and 9812 Technical Data

Fabric Properties

Property

Polymer Fabric Color Weight Grab Strength MD/CD Grab Elongation Trapezoidal Tear Puncture Strength AOS (maximum average) Flow Rate Permittivity

English Units

Polypropylene Black 4.5 oz/yd 2 120.0 lbs 50% 50.0 lbs 70.0 lbs 70 US Sieve 120.0 gal/min/ft 2 1.8 sec

-1

Metric Units

Test Method

152.6 g/m 2 0.54 kN 50% 0.22 kN 0.31 kN 0.212 mm 4887 l/sec/m 2 1.8 sec

-1

ASTM D 5261 ASTM D 4632 ASTM D 4632 ASTM D 4533 ASTM D 4833 ASTM D 4751 ASTM D 4491 ASTM D 4491

Values are MARV Minimum Average Roll Value

Property

Polymer Fabric Color Weight Grab Strength MD/CD Grab Elongation Trapezoidal Tear Puncture Strength AOS (maximum average) Flow Rate Permittivity

English Units

PA6 & PET Grey 3.54 oz/yd 2 125.0 lbs 40% 40.0 lbs 35.0 lbs 185.0 gal/min/ft 2 2.5 sec

-1

Metric Units

Test Method

120.0 g/m 2 556.0 N 40% 177.9 N 155.0 N 0.357 mm 125.6 l/sec/m 2 2.5 sec

-1

ASTM D 5261 ASTM D 4632 ASTM D 4632 ASTM D 4533 ASTM D 4833 ASTM D 4751 ASTM D 4491 ASTM D 4491

Values are MARV Minimum Average Roll Value

Polymer Properties

Polypropylene has excellent resistance to organic solvents, degreasing agents, acids, and alkalines. It has tensile strength superior to high density polyethylene. It is has a low moisture absorption rate, is resistant to staining, and is very light weight.

Packaging

Property

Product ID Core Width Length Area Area Roll Diameter Gross Roll Weight

English Units

3811-101-0000 39.0 in 100.0 ft 36.0 yd 324.0 ft 27.0 in 64.2 lbs

2 2

Metric Units

99.1 cm 30.5 m 30.1 m 2 30.1 m 2 68.6 cm 29.1 kg

Page 2/2

8/10/05 BP-5011-DS

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